1.When we came, they were repairing the roof of the house.
- When we came, the roof ......................................................................
2. Tom was writing two poems.
...........................................................................................................
3.She was wearing her new T-shirt when I met her yesterday.
...........................................................................................................
4. Ann was writing a letter.
...........................................................................................................
5. The chief engineer was instructing all the workers of the plan.
...........................................................................................................
1.When we came, the roof of the house was being repaired (by them).
3.Her new T-shirt was being worn (by her) when I met her yesterday.
4. A letter was being written by Ann.
5. All the workers of the plan were being instructed by the chief engineer.
1. When we came, they were repairing the roof of the house.
-> When we came, the roof was being repaired of the house.
Cấu trúc câu bị động quá khứ đơn: S + was/were + BEING + Vpp/ed + O
3. She was wearing her new T-shirt when I met her yesterday.
-> Her new T-shirt was being written when I met her yesterday.
4. Ann was writing a letter.
-> A letter was being written by Ann
5. The chief engineer was instructing all the workers on the plan.
-> All the workers were being instructed on the plan by the chief engineer